@cantankerous swineherd
Most Mps have switched to Signal.I can't find the article, but it was published on the Beeb website.
As have Euro Mps. I did find this article.
https://www.politico.eu/article/eu-commission-to-staff-switch-to-signal-messaging-app/
When I switched to Signal, the hardest part of doing so was getting all my friends to do the same. I had to resort to telling them I had deleted Whatsapp. Somewhat surprisingly, it mostly worked
Cheers… Ishy